#zig build-obj {
--name test -fno-emit-bin
-Mroot=test.zig
#}

#write test.zig {
export fn entry1(x: *anyopaque) void {
    _ = @as([]u8, @ptrCast(x));
}

const Opaque = opaque {};
export fn entry2(x: *Opaque) void {
    _ = @as([]u8, @ptrCast(x));
}
#}
#update
#check errors {
test.zig:2:19: error: cannot infer length of slice of 'u8' from pointer to opaque type 'anyopaque' with unknown size
test.zig:7:19: error: cannot infer length of slice of 'u8' from pointer to opaque type 'test.Opaque' with unknown size
test.zig:5:16: note: opaque declared here
#}
